Question

Square root (2/5)^x-4=(125/8)^x​ can u help me

Answer 1

Answer:

x = 1

Please refer to the attached picture for explanation and steps...

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Answer 2

Step-by-step explanation:

√(2/5)^x-4=(125/8)^x

Since √x=(x)^1/2

(2/5)^(x-4)/2=(2/5)-3x

As the bases are same

(x-4)/2=-3x

x-4=-3x

x+6x=4

7x=4

therefore,

x=4/7

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